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proprietary software</small><small>.<br>
- Create 7Z, ARC, BZ2, GZ, *PAQ, PEA, QUAD/BALZ, TAR, UPX, WIM, XZ, ZIP
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RAR, UDF, ZIPX files and more,</small><small> over 200 archive types
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            <td colspan="1" rowspan="1" style="vertical-align: top;"> <br>
            <h1 style="text-align: center;"><big><big><big><a
 name="winrar_archives"></a>What is RAR file format (WinRar
archives)<br>
            </big></big></big></h1>
            <br>
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                  <td style="vertical-align: top;">
                  <ul>
                    <li>
                      <p><a href="#rar_type">WHAT ARE RAR FILES,
WINRAR ARCHIVE FORMAT<br>
                      </a></p>
                    </li>
                  </ul>
                  <p> </p>
                  </td>
                  <td style="vertical-align: top; width: 128px;">
                  <h2><img title="What is RAR file type"
 alt="rar extension" src="file-format/archive-format.png"
 style="width: 96px; height: 96px;" align="right"></h2>
                  </td>
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            <h2><a href="free-rar.html#extract_rar"> </a></h2>
            </td>
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 style="background-color: rgb(255, 255, 255); vertical-align: top;">
            <div style="text-align: left; color: rgb(0, 0, 0);">
            <h2><big><big><big><a name="rar_file_extension"></a><a
 href="#winrar_archives">What are RAR files, WinRar archive format</a></big></big><br>
            </big></h2>
            </div>
            <br>
RAR extension designates a
popular
archive format introduced by RarLab's program WinRAR (shareware
file archiving utility, free for 40 days) for
Microsoft Windows platform; the software was ported to Linux (only as
extractor) by the same Author, Eugene
Roshal. Initial application release dates back to 1995, last RAR5
standard revision is from 2013.<br>
            <br>
            <a name="what_is_a_rar_file"></a>RAR
format is well
known for the <a href="peazip-compression-benchmark.html">high
compression ratio</a> - superior compared to
zip, comparable with <a href="7z-file-format.html">7z format</a> and <a
 href="zipx-file-format.html">zipx format</a> - being the compressor
based
on Lempel-Ziv (LZSS)
algorithm and prediction by partial matching (PPMd, Dmitry Shkarin).<br>
            <br>
            <a name="rar_file_specs"></a> RAR standard also features <a
 href="encrypt-files.html">strong file encryption</a> by
design<br>
            <ul>
              <li>
                <p>encrypted RAR4 archives rely on AES-128 based
encryption</p>
              </li>
              <li>
                <p><a name="rar5_file"></a>encrypted RAR5 archives rely
on AES-256 in CBC
mode, with improved key
scheduling</p>
              </li>
            </ul>
Notably, .rar
format features advanced error
correction / data
recovery capabilities setting optional recovery records during archive
creation (from WinRar).<br>
Please note RAR4 and RAR5 standard revisions both have same .rar
extension, the format revision level being declared in file header area.<br>
Spanned multi-volume rar archives are designed by R01 extension - with
file extension numerator incremented for following volumes of the set.<br>
            <br>
            <h2 style="font-weight: bold;">Maximum size of
a RAR archive</h2>
            <a name="max_size_of_a_rar_file"></a>RAR file can be large
up to 2^63 bytes in size (8 exabytes of
total size of the archive, signed 64 bit integer of filesize field),
far exceeding current needs and
capabilities of most filesystems.<br>
            <a name="rar_file_size_limitations"></a>To work with input
files, or output archives, larger than 4 GB, <span
 style="font-weight: bold;">FAT32 </span>filesystem
should be avoided (limited to files smaller than 2^32 bytes).<br>
Both <span style="font-weight: bold;">NTFS </span>and <span
 style="font-weight: bold;">exFAT</span>
filesystems allows maximum file size up to 2^64 byte (16 exabyte),
large enough to accomodate largest possible rar format file size -
theoretically, as current implementations are limited to smaller max
file sizes.<br>
            <br>
            <h2 style="font-weight: bold;">Maximum number of files in a
RAR archive</h2>
            <a name="max_file_number_in_rar_format"></a>RAR file can
contain up to 2^31 files (max 2 billion files, signed 32
bit integer for file number filed), which makes rar format suitable for
archiving large number of files and directories, especially if compared
to competing early ZIP standard limited to 64K maximum files (2^16).<br>
            <br>
            <a name="unrar_rar_file_extension"></a>PeaZip free
archiver features
read-only support to <a href="free-rar.html">open and extract RAR files</a>
through Open Source unrar components from 7z/p7zip, and can convert
existing
.rar archives into any write supported archive format, providing an
Open Source alternative to WinRar for extraction of rar archives.<br>
Optionally, the program allows managing RAR5 file type with separate <a
 href="peazip-add-ons.html">UNRAR / UNRAR5 Plugin</a> based on RarLab's
unrar
code - not mandatory, PeaZip can natively handle RAR5 standard out of
the box.<br>
            <h2><img title="Rar format features"
 alt="rar file format limitations" src="extract-archive.png"
 style="width: 112px; height: 45px;"></h2>
            <br>
Online resources about rar file type: <a target="_blank"
 href="http://www.rarlabs.com/">WinRar<img title="download rar"
 alt="winrar file type" src="free-rar/extractor.png"
 style="border: 0px solid ; width: 12px; height: 10px;"></a> official
domain, <a target="_blank"
 href="http://en.wikipedia.org/wiki/RAR_%28file_format%29">RAR
format<img alt="rar file format"
 title="RAR archive standard (Wikipedia)" src="free-rar/extractor.png"
 style="border: 0px solid ; width: 12px; height: 10px;"></a> Wikipedia
entry, what is <a target="_blank"
 href="https://en.wikipedia.org/wiki/Error_detection_and_correction">error
correction<img alt="RAR recovery records"
 title="Wikipedia error correction" src="free-rar/extractor.png"
 style="border: 0px solid ; width: 12px; height: 10px;"></a>, <a
 target="_blank" href="http://www.7-zip.org/">7-Zip<img
 title="Extract rar files with 7-Zip" alt="open source rar"
 src="free-rar/extractor.png"
 style="border: 0px solid ; width: 12px; height: 10px;"></a><small> </small><br>
            <table style="width: 100%; text-align: left;" border="0"
 cellpadding="24" cellspacing="0">
              <tbody>
                <tr>
                  <td
 style="vertical-align: top; text-align: right; width: 64px;">
                  <h2><span style="font-weight: bold;"><img
 title="Rar extension features" alt="rar file format specifications"
 src="file-format/quotes.png" style="width: 32px; height: 32px;"></span></h2>
                  </td>
                  <td style="vertical-align: top; font-style: italic;"><big><span
 style="background-color: rgb(255, 238, 221);"><a
 name="rar_file_format_specs"></a>RAR
file type is proprietary, even if the format specifications are well
documented and unrar (extraction) code is available for free, it is
encumbered by no reverse engineering
clause about using sources to create a rar compressor.</span></big></td>
                  <td style="vertical-align: bottom; width: 64px;">
                  <h3><img title="Rar format specifications"
 alt="rar file format features" src="file-format/quotes-inverse.png"
 style="width: 32px; height: 32px;"></h3>
                  </td>
                </tr>
              </tbody>
            </table>
            <span style="background-color: rgb(255, 238, 221);"></span><a
 name="open_source_rar"></a>No Open
Source RAR implementation (with full read / write support) is
consequently known to be able to fully replace WinRar. Anyway PeaZip
can <a href="free-rar-create.html">create RAR files</a> using WinRar
executable (if installed) without leaving the application - this works
simply setting rar.exe as custom compressor utility in PeaZip.<br>
            <br>
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                        <td style="vertical-align: top; width: 24px;">&nbsp;&nbsp;
                        <br>
                        </td>
                        <td style="vertical-align: top; width: 430px;"><br>
                        </td>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                        <td style="vertical-align: top; width: 430px;"><br>
                        </td>
                        <td style="vertical-align: top; width: 24px;">&nbsp;&nbsp;
                        <br>
                        </td>
                      </tr>
                      <tr>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                        <td
 style="vertical-align: top; color: rgb(245, 245, 245); width: 430px;">
                        <table style="width: 100%; text-align: left;"
 border="0" cellpadding="0" cellspacing="0">
                          <tbody>
                            <tr>
                              <td
 style="width: 50%; color: rgb(245, 245, 245); vertical-align: middle;">
                              <h3><big><big><big><big><big><a
 name="rar_format_specifications"></a>.RAR</big></big></big></big></big></h3>
                              </td>
                              <td
 style="width: 50%; color: rgb(245, 245, 245); vertical-align: middle;">Author
Eugene Roshal, 1995<br>
                              <a name="rar_file_format_limitations"></a>max
2 billion files per rar archive (2^31), 8 EB maximum size of rar
archive (2^63 bytes) </td>
                            </tr>
                          </tbody>
                        </table>
                        </td>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                        <td
 style="vertical-align: top; color: rgb(245, 245, 245); width: 430px;">
                        <h4><big>SPEED <img alt="rar format specs"
 title="rar compression speed" src="zip-files/star4.png"
 style="width: 80px; height: 16px;"></big></h4>
Rar format speed is good: even employing powerful advanced comperssion
techniques, handling
the format is remarkably efficient in terms of speed.<br>
                        </td>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                      </tr>
                      <tr>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                        <td style="vertical-align: top; width: 430px;"><br>
                        </td>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                        <td style="vertical-align: top; width: 430px;"><br>
                        </td>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                      </tr>
                      <tr>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                        <td
 style="vertical-align: top; color: rgb(245, 245, 245); width: 430px;">
                        <h4><big>COMPRESSION
RATIO <img alt="what is rar format"
 title="rar vs zip vs 7z compression performances"
 src="zip-files/star4.png" style="width: 80px; height: 16px;"></big></h4>
Rar format features high compression ratio, comparable to WinZip's zipx
but slightly inferior to 7-Zip's 7z
with most common real-world data sets.</td>
                        <td style="vertical-align: top; width: 24px;"><br>
                        </td>
                        <td
 style="vertical-align: top; color: rgb(245, 245, 245); width: 430px;">
                        <h4><big>ADVANCED
OPTIONS <img alt="what are rar files" title="rar format options"
 src="zip-files/star5.png" style="width: 80px; height: 16px;"></big></h4>
Excellent, Rar standard provides a wide array of advanced features.
Most notable feature is native support for recovery records,
that allows to recover archives from moderate corruption states.<br>
                        </td>
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                        </td>
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 href="convert-files.html">CONVERT RAR TO ZIP OR 7Z FILE<br>
                  </a></small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="free-rar-create.html">HOW TO CREATE RAR FILES</a><br>
                  </small></td>
                </tr>
              </tbody>
            </table>
            <small><small>&nbsp;</small></small><br>
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 cellspacing="0">
              <tbody>
                <tr>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="free-rar.html">HOW TO WORK WITH RAR FILES</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="cab-files-utility.html">WHAT IS MICROSOFT CAB FILE FORMAT</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="peazip-compression-benchmark.html">FILE COMPRESSION BENCHMARKS,
RAR VS ZIP 7Z FORMATS</a><br>
                  </small></td>
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              </tbody>
            </table>
            <small><small>&nbsp;</small></small><br>
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                <tr>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="7z-file-format.html">WHAT IS 7Z FILE EXTENSION</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="gzip-files.html">WHAT IS GZ FILE FORMAT</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="ace-file-format.html">WHAT ARE ACE FORMAT FEATURES</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="bzip2-file.html">WHAT IS BZ2 FILE FORMAT</a><br>
                  </small></td>
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              </tbody>
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            <small><small>&nbsp;</small></small><br>
            <table style="text-align: left;" border="0" cellpadding="6"
 cellspacing="0">
              <tbody>
                <tr>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="iso-image-files.html">WHAT IS ISO IMAGE FILE FORMAT</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="zipx-file-format.html">WHAT IS ZIPX FILE TYPE</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="tar-file-format.html">WHAT IS TAR FILE FORMAT</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="wim-files.html">WHAT ARE MICROSOFT WIM FILES</a><br>
                  </small></td>
                </tr>
              </tbody>
            </table>
            <small><small>&nbsp;</small></small><br>
            <table style="text-align: left;" border="0" cellpadding="6"
 cellspacing="0">
              <tbody>
                <tr>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="zip-file-format.html">ZIP FILE FORMAT SPECIFICATIONS</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="what-is-zip-file.html">WHAT ARE COMPRESSED ARCHIVE FILES</a><br>
                  </small></td>
                  <td style="vertical-align: top;"><small><br>
                  </small></td>
                  <td
 style="vertical-align: top; background-color: rgb(240, 239, 238);"><small><a
 href="arc-file-format.html">ARC FILE FORMAT FEATURES</a><a
 href="self-extracting-archives.html"><br>
                  </a></small></td>
                </tr>
              </tbody>
            </table>
            <p> </p>
            <p><a href="peazip-help-faq.html">FAQ</a>
&gt; Archive file types &gt; What are RAR files<br>
            </p>
Topics and search suggestions about what is RAR file format, native
extension of RarLab's WinRar archives type, what are Rar files features
and specifications, max mumber of files, maximum size, pros &amp; cons,
limitations, advantages and
disadvantages
compared to other archiving formats
            <table style="width: 100%; text-align: left;" border="0"
 cellpadding="6" cellspacing="0">
              <tbody>
                <tr>
                  <td
 style="vertical-align: top; width: 25%; font-style: italic;"> what is
rar file format, <br>
WinRar files
specifications, <br>
maximum size of rar file,<br>
features of rar format,<br>
advantages of WinRar files,<br>
how many files in a rar archive,<br>
error correction in rar files,<br>
rar file type features,<br>
max size limit for rar format,<br>
                  </td>
                  <td
 style="vertical-align: top; width: 25%; font-style: italic;">faq
about .rar extension, <br>
max size of rar archive,<br>
rar5 standard specifications, <br>
max number of files in a rar archive,<br>
rar format features,<br>
features of WinRar archives,<br>
PPMd dompression,<br>
what is rar extension,<br>
max rar files size limitation,<br>
                  </td>
                  <td
 style="vertical-align: top; width: 25%; font-style: italic;"> what
are rar archives, <br>
rar file extension,<br>
characteristics of rar archives,<br>
WinRar format features,<br>
how can be large a rar file,<br>
AES encryption,<br>
what are rar files limitations,<br>
how many GB can be large a rar,<br>
how many files can rar contain,<br>
                  </td>
                  <td
 style="vertical-align: top; width: 25%; font-style: italic;"> rar file
specs,<br>
max rar file size limit,<br>
RarLab's WinRar archives,<br>
rar compression features, <br>
rar files specifications,<br>
maximum files number rar format,<br>
rar format specs,<br>
WinRar archive format,<br>
maximum file size for rar format<br>
                  </td>
                </tr>
              </tbody>
            </table>
            </td>
          </tr>
        </tbody>
      </table>
      <table
 style="background-color: rgb(255, 255, 255); margin-left: auto; margin-right: auto; width: 960px; text-align: left;"
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          <tr>
            <td style="vertical-align: top;">Tag Cloud<br>
            <span class="wrd free-rar1" id="free-winrar-alternative"> <a
 href="peazip-64bit.html">free WinRar alternative</a></span> <span
 class="wrd free-rar4" id="rar-files"> <a href="what-is-rar-file.html">RAR
files</a></span> <span class="wrd free-rar0"
 id="free-rar-file-archiver"> <a href="index.html">download free rar
software</a></span> <span class="wrd free-rar2"
 id="open-source-rar-free-software"> <a href="peazip-64bit.html">open
source
rar alternative utility</a></span> <span class="wrd free-rar1"
 id="r01-rar-file-extension"> <a href="what-is-rar-file.html">rar file
extension</a></span> <span class="wrd free-rar3"
 id="rar-file-extension"> <a href="what-is-rar-file.html">.RAR
format</a></span><br>
            <span class="wrd free-rar3" id="free-rar-files-extractor"> <a
 href="free-rar.html">free RAR extractor</a></span> <span
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 href="what-is-rar-file.html">rar format specs</a></span> <span
 class="wrd free-rar3" id="what-is-rar-format"> <a
 href="what-is-rar-file.html">what is RAR file format</a></span> <span
 class="wrd free-rar2" id="winrar-file-format"> <a
 href="what-is-rar-file.html">WinRar archives</a></span> <span
 class="wrd free-rar3" id="7-zip-files"> <a href="7z-file-format.html">7Z
format</a></span> <span class="wrd free-rar1"
 id="extract-selected-rar-content"> <a
 href="how-to-extract-selected-files-from-archive.html">extract
selected files from archive</a></span><br>
            <span class="wrd free-rar2" id="open-rar-zip-files"> <a
 href="how-to-open-rar-tar-zip-files.html">how
to open rar tar zip files</a></span> <span class="wrd free-rar0"
 id="file-hashing-checksum-tools"> <a href="verify-checksum-hash.html">checksum
hash tool</a></span> <span class="wrd free-rar1"
 id="convert-rar-zip-archive"> <a href="convert-files.html">convert
RAR format to 7Z</a></span> <span class="wrd free-rar2"
 id="download-rar-files-utility"> <a href="index.html">free
RAR files utility download</a></span> <span class="wrd free-rar1"
 id="free-ace-files-opener"> <a href="ace-files-utility.html">free
ACE opener</a></span> <span class="wrd free-rar0"
 id="open-extract-cab-files"> <a href="cab-files-utility.html">open,
extract
CAB files</a></span><br>
            <span class="wrd free-rar2" id="open-encrypted-rar-zip-file">
            <a href="extract-encrypted-files.html">extract encrypted
RAR file</a></span> <span class="wrd free-rar1"
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            <span class="wrd free-rar4" id="free-rar-files-utility"> <a
 href="free-rar.html">free RAR files utility</a></span> <span
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 href="encrypt-files.html">how
to encrypt files</a></span> <span class="wrd free-rar1"
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split files</a></span> <span class="wrd free-rar0"
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WinRar replacement</a></span><br>
            <span class="wrd free-rar1"
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Source WinRar alternative</a></span> <span class="wrd free-rar2"
 id="7z-7zip-files-extraction-tool"> <a href="7zip-files-utility.html">open
7Z archives</a></span> <span class="wrd free-rar4"
 id="free-rar-files-extraction-utility"> <a href="free-rar.html">open
RAR files</a></span> <span class="wrd free-rar3"
 id="free-zip-files-extraction-utility"> <a
 href="zip-files-utility.html">open ZIP files</a></span> <span
 class="wrd free-rar0" id="portable-rar-files-software"> <a
 href="peazip-portable.html">portable RAR TAR ZIP software</a></span> <span
 class="wrd free-rar3" id="what-is-rar-file-extension"> <a
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            <span class="wrd free-rar1" id="download-rar-free"> <a
 href="index.html">download
RAR free</a></span> <span class="wrd free-rar0"
 id="secure-data-deletion-program"> <a href="secure-delete.html">secure
data
deletion software</a></span> <span class="wrd free-rar3"
 id="windows-tar-files-viewer"> <a href="tar-windows.html">TAR file
extraction</a></span> <span class="wrd free-rar1"
 id="what-is-zip-file-type"> <a href="zip-file-format.html">what is
ZIP file format</a></span> <span class="wrd free-rar0"
 id="free-zipx-files-extractor"> <a href="zipx-files-software.html">free
ZIPX
extractor</a></span> <span class="wrd free-rar3"
 id="portable-winrar-alternative"> <a href="peazip-portable.html">portable
WinRar alternative</a></span><br>
            <span class="wrd free-rar3" id="free-rar-files-opener"> <a
 href="free-rar.html">free RAR opener</a></span> <span
 class="wrd free-rar0" id="what-is-best-file-compression-format"><a
 href="peazip-compression-benchmark.html">what is best file compression
format</a></span> <span class="wrd free-rar0"
 id="aes-rar-encrypted-archives"> <a href="what-is-rar-file.html">AES
encrypted RAR archives</a></span> <span class="wrd free-rar1"
 id="winrar-files"> <a href="what-is-rar-file.html">RarLab's
WinRar files</a></span> <span class="wrd free-rar0"
 id="max-size-limitation-rar-file-format"> <a
 href="what-is-rar-file.html">max size limit for
rar files</a></span> <span class="wrd free-rar1"
 id="free-rar-windows-application"> <a href="peazip-64bit.html">free
rar files application</a></span><br>
            </td>
          </tr>
        </tbody>
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            <td style="vertical-align: top; width: 25%;"><small> <img
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            <a name="rar_file_type"></a>DOWNLOADS<br>
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